SFAR does run reliably on 3 with conventional supressor. Huxwrx finicky supressor makes SFAR run weird. Unsupressed runs on setting 1, and setting 2 is anemic. Accuracy as I stated before depends on where handguard position. Likes 175 & 168 for sure.
I have similar experience till I ran 1000 rd though it. After “jet” ports getting clog up by carbon buildup fun begins. Cleaning doesn’t solve it cause not all carbon removed. Big frame ar really finicky regarding gad setting. I moved my Huxwrx to ar15 and that’s where it lives now. Reliable...